body  {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin: 0;
}

@keyframes fadeInOut {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  70% {
	  opacity: 1;
  }
  100% {
	  opacity: 0;
  }
}

.fade{
  opacity: 0;
  animation-name: fadeInOut;
}